Moderator: Norman B. Chutkan, MD, FACS
242. Degenerate-disc Infection Study with Contaminant Control (DISC): application of a proposed histological scoring system
Monish M. Maharaj, MD, MS1; Ralph J. Mobbs, MD, FRACS2; Prashanth J. Rao, PhD, MD3; Kevin Phan, BS4
1NeuroSpine Clinic, Sydney, New South Wales, Australia; 2Prince of Wales Private Hospital, Neurosurgery & NSURG Group, Randwick, NSW, Australia; 3Prince of Wales Private Hospital, Sydney, Australia; 4Sydney, Australia
FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs.
243. The effect of sacroiliac fusion and pelvic fixation on rod strain in thoracolumbar fusion constructs: a biomechanical investigation
Harry M. Mushlin, MD1; Gerald Hayward, BS2; Daina M. Brooks, BS3; Bryan Ferrick, BS4; Brandon Bucklen, PhD2; Charles A. Sansur, MD5
1University of Maryland School of Medicine, Department of Neurosurgery, Baltimore, MD, US; 2Globus Medical, Inc., Audubon, PA, US; 3Medstar Union Memorial Hospital, Baltimore, MD, US; 4Drexel University School of Biomedical Engineering, Philadelphia, PA, US; 5University of Maryland, Towson, MD, US
FDA Device/Drug Status: SI-LOK Screws (Approved for this indication)
244. Mismatch between rod bending and actual postoperative lordosis in short lumbar arthrodesis with poly axial screws
Abdollah Y. Moufid, MD
Chu Poitiers Unité Rachis, Poitiers, France
FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs.
245. Comprehensive biomechanical profile of anterior column realignment for minimally invasive deformity correction
Jakub Godzik, MD1; Bernardo De Andrada Pereira, MD1; Anna G. Newcomb, MS2; Jennifer Lehrman, MS3; Randall J. Hlubek, MD3; Gregory M. Mundis Jr., MD4; Juan S. Uribe, MD3; Brian Kelly, PhD3; Jay D. Turner, MD, PhD5
1Phoenix, AZ, US; 2St. Joseph's Hospital and Medical Center, Phoenix, AZ, US; 3Barrow Neurological Institute, Phoenix, AZ, US; 4Scripps Clinic Medical Group, Department of Orthopedics, La Jolla, CA, US; 5Barrow Brain and Spine, Phoenix, AZ, US
FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs.
Discussion
246. Comparison of biomechanical stability and rod strain between anterior column alignment and pedicle subtraction osteotomy
Jakub Godzik, MD1; Bernardo De Andrada Pereira, MD1; Anna G. Newcomb, MS2; Jennifer Lehrman, MS3; Randall J. Hlubek, MD3; Gregory M. Mundis Jr., MD4; Juan S. Uribe, MD3; Brian Kelly, PhD3; Jay D. Turner, MD, PhD5
1Phoenix, AZ, US; 2St. Joseph's Hospital and Medical Center, Phoenix, AZ, US; 3Barrow Neurological Institute, Phoenix, AZ, US; 4Scripps Clinic Medical Group, Department of Orthopedics, La Jolla, CA, US; 5Barrow Brain and Spine, Phoenix, AZ, US
FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs.
247. Predicting mortality following traumatic cervical spinal cord injury in the elderly
Tom Inglis, MbChB1; Daniel Banaszek, MD, FRCSC2; Nathan Evaniew, MD, PhD, FRCSC3; Dilnur Kurban, MSc3; Vanessa K. Noonan, PhD4; Christopher S. Bailey, MD, FRCSC5; Sean D. Christie, MD6; Michael G. Fehlings, MD, PhD, FRCSC7; Charles G. Fisher, MD, FRCSC, MHS2; Eve C. Tsai, MD, PhD, FRCSC8; Brian K. Kwon, MD, PhD, FRCSC9
1Whangarei Hospital, Whangarei, New Zealand; 2Vancouver General Hospital, Vancouver, BC, Canada; 3Vancouver, BC, Canada; 4Rick Hansen Institute, Vancouver, BC, Canada; 5U of Western Ontario/London Health Sciences Centre, London, ON, Canada; 6QE II Health Sciences Centre, Halifax, NS, Canada; 7Toronto Western Hospital, Toronto, ON, Canada; 8C2 Neurosciences Unit, Ottawa, ON, Canada; 9Blusson Spinal Cord Center, Vancouver, BC, Canada
FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs.
248. Early versus late spine surgery in severely injured patients: which is the appropriate timing for surgery?
Ricardo Rodrigues-Pinto, MD, PhD1; Arnaldo Sousa, MD1; Claudia Rodrigues, MD1; Luís H. Barros, MD1; José Figueiredo, MD1; Antonio Oliveira, MD, PhD2
1Centro Hospitalar do Porto - Hospital de Santo António, Porto, Portugal; 2Centro Hospitalar Universitario do Porto, Porto, Portugal
FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs.
249. Traumatic subaxial cervical facet joint dislocation: predictors of spinal cord injury and surgical failure
Ricardo Rodrigues-Pinto, MD, PhD1; Arnaldo Sousa, MD2; Claudia Rodrigues, MD2; Luís H. Barros, MD2; Tiago Barbosa, MD3; Ana Ribau, MD3; José Figueiredo, MD2; Antonio Oliveira, MD, PhD3
1Centro Hospitalar do Porto - Hospital de Santo António, Porto, Portugal; 2Centro Hospitalar do Porto, Porto, Portugal; 3Centro Hospitalar Universitario do Porto, Porto, Portugal
FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs.
250. Interspinous process distraction compared to nonoperative care for moderate lumbar degenerative disc disease: results of the FDA IDE clinical trial
Matthew F. Gornet, MD1; Alexander S. Bailey, MD2; Hazem A. Eltahawy, MD, PhD, FRCS3; Rick C. Sasso, MD4; Wayne K. Cheng, MD5; Sylvain Palmer, MD6; Edward J. Dohring, MD7; Jamal Taha, MD8; Francine W. Schranck, RN, BSN9; Anne G. Copay, PhD9
1The Orthopedic Center of St. Louis, St. Louis, MO, US; 2Precision Spine and Orthopaedic Specialists, Overland Park, KS, US; 3St Mary Mercy Hospital , Livonia, MI, US; 4Indiana Spine Group, Carmel, IN, US; 5Bones and Spine Surgery Inc, Loma Linda, CA, US; 6Mission Viejo, CA, US; 7Scottsdale, AZ, US; 8Advanced Neurosurgery, Dayton, OH, US; 9SPIRITT Research, Saint Louis, MO, US
FDA Device/Drug Status: DIAM™ Spinal Stabilization System (Investigational/Not approved)
251. Additive manufactured Ti-6Al-4V/polyetheretherketone composite porous cage for interbody fusion: bone growth and biocompatibility evaluation in a porcine model
Meng Huang Wu, MD1; Pei-I Tsai, PhD2; TzuHung Lin, PhD2; Jane S. Tsai, PhD3; Ming-Hsueh Lee, MD4; Chih-Yu Chen, MD, PhD5
1Department of Orthopedics, Taipei Medical University Hospital, Taipei City, Taiwan; 2Industrial Technology Research Institute, Hsinchu, Taiwan; 3ITRI, HsinChu City, Taiwan; 4Changn Gung Memorial Hospital, Chiayi, Pu Tz City, Taiwan; 5Shuang-Ho Hospital, New Taipei City, Taiwan
FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs.>
Discussion